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问题 单项选择题

空腔脏器梗阻所致急腹症的表现除()

A．早期多为阵发性绞痛

B．早期即出现腹膜刺激征

C．肠梗阻时多有肠鸣音变化

D．腹痛一般较重

E．输尿管结石疼痛常辗转不安

答案

参考答案：A

单项选择题

Promethazine hydrochloride (Phenergan) 35 mg IM is ordered for a client who is experiencing nausea and vomiting after surgery. The ampule’s label reads 25 mg/mL. How many mL should the nurse prepare to administer

A. 0.7 mL.
B. 1.0 mL.
C. 1.4 mL.
D. 1.8 mL.
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单项选择题

铸造卡臂进入基牙倒凹的深度应为（）

A．0.25～0.5mm

B．>1.0mm

C．<0.25mm

D．0.5～0.75mm

E．0.75～1.0mm
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